Star Trek: The Animated Series 
The further adventures of Captain James T. Kirk and the crew of the USS Enterprise, as they explore the galaxy and defend the United Federation of Planets.
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Star Trek: The Animated Series: The Counter-Clock Incident Rewatch Season 2, Episode 6
When the Enterprise enters a negative universe, former captain Robert April saves the ship as the crew age backwards. (Series finale) [more inside]
Star Trek: The Animated Series: How Sharper Than A Serpent's Tooth Rewatch Season 2, Episode 5
The Enterprise encounters a being that once visited the ancient peoples of Earth. [more inside]
Star Trek: The Animated Series: Albatross Rewatch Season 2, Episode 4
Following a mission to the planet Dramia, Dr. McCoy is held prisoner, accused of mass genocide caused by a deadly plague committed nineteen years earlier during a previous expedition. When the Enterprise attempts to investigate, it too becomes infected. [more inside]
Star Trek: The Animated Series: The Practical Joker Rewatch Season 2, Episode 3
After passing through a strange space energy cloud, the Enterprise's computer gains an artificial intelligence that is relentlessly bent on making practical jokes on the crew. [more inside]
Star Trek: The Animated Series: Bem Rewatch Season 2, Episode 2
Ari bn Bem, an erratic observer from the planet Pandro, secretly watches the crew of the USS Enterprise to determine whether the Federation is ready to open diplomatic relations with his advanced species. [more inside]
Star Trek: The Animated Series: The Pirates of Orion Rewatch Season 2, Episode 1
While Spock lies ill, Orion pirates hijack the drug shipment desperately needed to save his life. (Season premiere) [more inside]
Star Trek: The Animated Series: The Jihad Rewatch Season 1, Episode 16
The Vedala, the oldest known spacefaring race, summon Kirk and Spock to recover the Soul of the Skorr, a stolen religious artifact that has the potential to ignite a holy war across the galaxy. (Season finale) [more inside]
Star Trek: The Animated Series: The Eye of the Beholder Season 1, Episode 15
Beaming down to a planet to search for the crew of a missing ship, the crew is captured by its alien inhabitants. [more inside]
Star Trek: The Animated Series: The Slaver Weapon Season 1, Episode 14
A group of Kzinti divert the shuttle Copernicus and retrieve a newly discovered Slaver weapon. [more inside]
Star Trek: The Animated Series: The Ambergris Element Rewatch Season 1, Episode 13
The crew of the Enterprise explore a submerged culture on a water world. [more inside]
Star Trek: The Animated Series: The Time Trap Rewatch Season 1, Episode 12
The Enterprise becomes trapped in the Delta Triangle, an area of space where many starships have gone missing. To make matters worse, the ship also has to defend itself from the Klothos, a Klingon vessel commanded by Commander Kor. [more inside]
Star Trek: The Animated Series: The Terratin Incident Rewatch Season 1, Episode 11
When a strange flash of light paralyzes the entire crew of the Enterprise, they begin to shrink. Kirk beams down to the nearest planet, Cepheus, and discovers a miniature race (of descendants of a lost Earth colony) desperate to leave their volcanic homeworld. [more inside]
Star Trek: The Animated Series: Mudd's Passion Rewatch Season 1, Episode 10
Harry Mudd is back, this time swindling miners with a love potion. [more inside]
Star Trek: The Animated Series: Once Upon A Planet Rewatch Season 1, Episode 9
The Enterprise returns to the shore leave planet in the Omicron Delta region where the crew once took shore leave. As with their previous visit, things go wrong when the illusions turn deadly. [more inside]
Star Trek: The Animated Series: The Magicks of Megas-Tu Rewatch Season 1, Episode 8
While investigating the theory of creation, the Enterprise is caught inside an energy/matter tornado. After emerging from the storm, the crew encounter a world where magic works and science doesn't. [more inside]
Star Trek: The Animated Series: The Infinite Vulcan Rewatch Season 1, Episode 7
A species of intelligent plants, led by a clone of a Eugenics Wars-era scientist, clones Spock with the intentions of creating a master race to keep the peace. [more inside]
Star Trek: The Animated Series: The Survivor Rewatch Season 1, Episode 6
The Enterprise encounters the ship of a noted Federation philanthropist, missing for nearly five years, near the Romulan Neutral Zone. [more inside]
Star Trek: The Animated Series: More Tribbles, More Troubles Rewatch Season 1, Episode 5
While escorting a shipment of grain to Sherman's Planet, the Enterprise encounters three "old friends": Koloth, Cyrano Jones – and tribbles! [more inside]
Star Trek: The Animated Series: The Lorelei Signal Rewatch Season 1, Episode 4
The Enterprise is drawn to a planet populated solely by women who dominate the male crew members' minds to the point that Uhura must assume command to rescue them. [more inside]
Star Trek: The Animated Series: One of Our Planets Is Missing Rewatch Season 1, Episode 3
The Enterprise crew learns that a massive, planet-destroying cloud has entered Federation space. [more inside]
Star Trek: The Animated Series: Yesteryear Rewatch Season 1, Episode 2
Spock travels back in time to prevent his own demise during his youth on Vulcan. [more inside]
Star Trek: The Animated Series: Beyond the Farthest Star Rewatch Season 1, Episode 1
Kirk's crew come across an ancient derelict vessel, but something is still living inside it. [more inside]